1 files changed, 31 insertions, 0 deletions

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 45da8d186b4..98cb1f30aa2 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -398,3 +398,34 @@ int perf_evlist__set_filters(struct perf_evlist *evlist)
 
         return 0;
 }
+
+u64 perf_evlist__sample_type(struct perf_evlist *evlist)
+{
+        struct perf_evsel *pos;
+        u64 type = 0;
+
+        list_for_each_entry(pos, &evlist->entries, node) {
+                if (!type)
+                        type = pos->attr.sample_type;
+                else if (type != pos->attr.sample_type)
+                        die("non matching sample_type");
+        }
+
+        return type;
+}
+
+bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)
+{
+        bool value = false, first = true;
+        struct perf_evsel *pos;
+
+        list_for_each_entry(pos, &evlist->entries, node) {
+                if (first) {
+                        value = pos->attr.sample_id_all;
+                        first = false;
+                } else if (value != pos->attr.sample_id_all)
+                        die("non matching sample_id_all");
+        }
+
+        return value;
+}